Musk spoke at a conference and alluded that Optimus could be a $200 trillion business someday. That's multiples larger than the $10 trillion he suggested more rec

Elon Musk has long railed against the U.S. government, saying numerous investigations and safety programs have stymied Tesla, his electric car company, and its efforts to create fleets of robotaxis and other self-driving automobiles.

In many ways, these have been tough days for Tesla. Falling sales. Squeezed profit margins. Proposed changes in US government policy that could cost the company billions.